export interface AppSettings {
  // 通用设置
  theme: 'light' | 'dark' | 'auto'
  language: string
  autoSave: boolean
  
  // 转换设置
  defaultOutputFormat: 'html' | 'pdf' | 'docx' | 'epub'
  defaultQuality: 'low' | 'medium' | 'high'
  autoDownload: boolean
  keepOriginalFiles: boolean
  
  // 通知设置
  enableDesktop: boolean
  enableSound: boolean
  enableEmail: boolean
  
  // 存储设置
  autoCleanup: boolean
  maxStorageSize: number
  retentionDays: number
  
  // 高级设置
  concurrentTasks: number
  timeout: number
  debugMode: boolean
  apiEndpoint: string
}

export interface StorageInfo {
  totalSize: number // KB
  itemCount: number
  available: number // KB
}